제출 #141528

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
141528		meatrow	Safety (NOI18_safety)	C++17	0 / 100	21 ms	376 KiB

safety

//#pragma GCC optimize("O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>

using namespace std;

using ll = long long;


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, h;
    cin >> n >> h;
    ll ans = 0;
    ll kek = 0;
    int s;
    cin >> s;
    for (int i = 1; i < n; i++) {
        int t;
        cin >> t;
        if (t > s + h) {
            kek += t - s - h;
        } else {
            if (t < s - h) {
                kek += t - s + h;
            } else {
                kek = 0;
            }
        }
        ans += abs(kek);
        s = t;
    }    
    cout << ans;
    return 0; 
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 4
• Subtask 3: 0 / 9
• Subtask 4: 0 / 5
• Subtask 5: 0 / 6
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 22
• Subtask 9: 0 / 29